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Provigil and Nuvigil dosage the same?

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The info in the PI sheets is one level above my understanding of the two types of modafanil and the chemical differences. But here is my basic question.

I am on 250mg Nuvigil in the morning and 250mg in the afternoon. The price of modafanil has fallen so dramatically that a switch to modafanil makes economic sense. So, what would the correct dosage be to match 500mg of Nuvigil?

I know, these are high dosages. Despite that, are Nuvigil and Provigil 1:1?

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On June 10, 2016 at 9:27 AM, lifequake said:

My pdoc relayed to me that they are not 1:1.  I took a different dose of each med to achieve equivalency when switching over.  Please consult your pdoc for the dosage that's best for you.

I mispoke with my question. I'm not going to take a dosage without consulting my pdoc. I'm trying to educate myself better because we were in disagreement about the dosage during my last visit. I don't believe they are equal from a logical position and personal experience.  This was the first time in many years that I really challenged him on his conclusion. It irritated me greatly because I saw it as a case of a pdoc not understanding what it is like taking these drugs and how they effect us.

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